Colour

#230B0F

#230B0F
Red
Dark
Nearest: Black

#230B0F is a red with RGB values 35, 11, 15 and HSL 350°, 52%, 9%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#230B0F#230B0F

HEX#230B0F

RGBrgb(35, 11, 15)

RGB (0–1)0.1373, 0.0431, 0.0588

RGB percentages13.7%, 4.3%, 5.9%

HSLhsl(350, 52.2%, 9%)

HSV / HSBhsv(350, 68.6%, 13.7%)

CMYK0%, 68.6%, 57.1%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,296,591

CSS custom property--colour: #230B0F;

Brightness & contrast

Relative luminance0.00631WCAG 2.x, 0 is black and 1 is white

Perceived brightness21.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.65:1

Contrast with white18.65:1WCAG normal text: AAA

Contrast with black1.13:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#DCF4F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#10100Fno red cones; affects about 1% of men; ΔE 12.6 from the original

Deuteranopia#16140Eno green cones; the most common form, about 1% of men; ΔE 12.6 from the original

Tritanopia#27080Cno blue cones; rare, and affects men and women equally; ΔE 3.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.65:1WCAG large text: AAA

Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 13.7 Dark slate grey · ΔE 35.5 Dim grey · ΔE 40.7 Gray · ΔE 49.5 Slate grey · ΔE 50.9 Saddle brown · ΔE 52

Nearest named CSS colourBlack (#000000)ΔE 13.66, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0B231F

Analogous#230B1B, #23130B

Triadic#0F230B, #0B0F23

Split complementary#0B2313, #0B1B23

Tetradic#1B230B, #0B231F, #130B23

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#BE3C52

Lighter +30%#973041

Lighter +20%#712330

Lighter +10%#4A1720

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#29050B

Less saturated −25%#1D1113

Channel breakdown

R35

G11

B15

Red35 (13.7%)

Green11 (4.3%)

Blue15 (5.9%)

Hue350°

Saturation (HSL)52.17%

Lightness9.02%

Dominant channelRed

Hex per channelR 23 · G 0B · B 0F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#230B0F

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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